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uninstall-qgis-ltr.Rmd
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uninstall-qgis-ltr.Rmd
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---
title: "Uninstall QGIS-LTR"
subtitle: "A Step-by-step guide to remove QGIS on Windows, Mac and Linux."
fontsize: 12pt
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---
## Uninstall QGIS on Windows
> This is a guide to **Un-Install** QGIS from your system. If you need to install QGIS, please see our [Install QGIS-LTR on Windows](install-qgis-ltr.html#install-qgis-on-windows) guide.
Our installation guide recommends installing QGIS via the OSGeo4W installer. This is also the preferred way to remove it from your system.
1. Visit the [QGIS.org Download](https://qgis.org/en/site/forusers/download.html) page. Click the **OSGeo4W Network Installer** link to download the installer. Once downloaded, double-click the `osgeo4w-setup.exe` to launch the installer. Make sure to close any running QGIS applications before starting the installer.
```{r echo=FALSE, fig.align='center', out.width='75%'}
knitr::include_graphics('images/common/winUninstall01.png')
```
2. In the **OSGeo4W Setup** window, choose **Advanced Install** and click *Next*.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall02.png')
```
3. When asked to *Choose a Download Source*, select `Install from Internet` and click *Next*.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall03.png')
```
4. The default location of the *Root Directory* is `C:\OSGeo4W`. Keep it to the default value unless you have installed QGIS in a different location. Click *Next*.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall04.png')
```
5. Keep the *Local Package Directory* and *Start menu name* to be their default choices and click *Next*.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall05.png')
```
6. In the *Select Connection Type* choose `Direct Conection`. If you are on a corporate or a university network that uses a proxy server, you can configure it here. Click *Next*.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall06.png')
```
7. You will be prompted to *Choose a Download Site*. Select `http://download.osgeo.org` and click *Next*.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall07.png')
```
8. Next you will be presented with a dialog to *Select Packages*. Here is where you specify packages that you want to remove. Keep clicking on the text *Default* next to each section until it turns to *Uninstall*. Doing this will ensure all QGIS versions and dependecies will be removed from your system. If you want to remove a specific version of QGIS, expand the *Desktop* section, and choose *Uninstall* for that version.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall08.png')
```
9. Now the un-install process will begin, his can take time depending on your machine configuration.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall09.png')
```
10. When finished, you will see a dialog with the message *Uninstalls complete*.
```{r echo=FALSE, fig.align='center', out.width='50%'}
knitr::include_graphics('images/common/winUninstall10.png')
```
11. The last step is to remove the `C:\OSGeo4W` folder from your system. Open *Windows Explorer* and navigate to the `C:\` directory. Select the `OSGeo4W` folder and delete it.
```{r echo=FALSE, fig.align='center', out.width='75%'}
knitr::include_graphics('images/common/winUninstall11.png')
```
You have now successfully removed QGIS from your Windows computer.
## Uninstall QGIS on Mac
> This is a guide to **Un-Install** QGIS from your system. If you need to install QGIS, please see our [Install QGIS-LTR on Mac](install-qgis-ltr.html#install-qgis-on-mac) guide.
1. Go to the *Applications* folder. Find the **QGIS-LTR** application.
```{r echo=FALSE, fig.align='center', out.width='75%'}
knitr::include_graphics('images/common/macUninstall1.png')
```
2. Hold the *Ctrl* key and click on the **QGIS-LTR** icon. In the contextual menu, select *Move to Bin*.
```{r echo=FALSE, fig.align='center', out.width='75%'}
knitr::include_graphics('images/common/macUninstall2.png')
```
You have now successfully removed QGIS from your Mac.
## Uninstall QGIS on Ubuntu
> This is a guide to **Un-Install** QGIS from your system. If you need to install QGIS, please see our [Install QGIS-LTR on Ubuntu](install-qgis-ltr.html#install-qgis-on-ubuntu) guide.
1. Open a terminal. Type the following command to remove all QGIS-related packages from your system.
```
sudo apt remove '*qgis*' --dry-run
```
2. Check the list of packages that will be removed. If you are sure you want to remove them, run the commnad again without the ``--dry-run`` flag.
```
sudo apt remove '*qgis*'
```
## Uninstall QGIS on Linux
> This is a guide to **Un-Install** QGIS from your system. If you need to install QGIS, please see our [Install QGIS-LTR on Linux](install-qgis-ltr.html#install-qgis-on-linux) guide.
Please follow the instructions for your Linux distribution from [QGIS.org Downloads](https://qgis.org/en/site/forusers/alldownloads.html#linux).